<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="node_modules/vue/dist/vue.js"></script>

</head>
<body>

<!--demo1-->
<div id="app">
    {{ message }}
</div>
<script>
    var app = new Vue({
        el: '#app',
        data: {
            message: 'Hello Vue!'
        }
    })
</script>

<!--demo2-->
<div id="app-2">
  <span v-bind:title="message">
    鼠标悬停几秒钟查看此处动态绑定的提示信息！
  </span>
</div>
<script>
    var app2 = new Vue({
        el: '#app-2',
        data: {
            message: '页面加载于 ' + new Date()
        }
    })
</script>

<!--demo3-->
<div id="app-3">
    <p v-if="seen">现在你看到我了</p>
</div>
<script>
var app3 = new Vue({
el: '#app-3',
data: {
seen: true
}
})

    setTimeout(function () {
        app3.seen = false
    },1000)
</script>

<!--demo4-->
<div id="app-4">
    <ol>
        <li v-for="todo in todos">
            {{ todo.text }}
        </li>
    </ol>
</div>

<script>
    var app4 = new Vue({
        el: '#app-4',
        data: {
            todos: [
                { text: '学习 JavaScript' },
                { text: '学习 Vue' },
                { text: '整个牛项目' }
            ]
        }
    })

    setTimeout(function () {
        app4.todos.push({ text: '新项目' })
    },2000)
</script>
<!--demo5-->
<div id="app-5">
    <p>{{ message }}</p>
    <button v-on:click="reverseMessage">逆转消息</button>
</div>
<script>
var app5 = new Vue({
el: '#app-5',
data: {
message: 'Hello Vue.js!'
},
methods: {
reverseMessage: function () {
this.message = this.message.split('').reverse().join('')
}
}
})
</script>
<!--demo6-->
<div id="app-6">
    <p>{{ message }}</p>
    <input v-model="message">
</div>
<script>
var app6 = new Vue({
el: '#app-6',
data: {
message: 'Hello Vue!'
}
})
</script>

<hr>

<script>
    // 定义名为 todo-item 的新组件
    Vue.component('todo-item', {
        template: '<li>这是个待办项</li>'
    })
</script>
<ol>
    <!-- 创建一个 todo-item 组件的实例 -->
    <todo-item></todo-item>
</ol>
</body>
</html>